NuPlayerDriver.h revision 8ba01021b573889802e67e029225a96f0dfa471a 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <media/MediaPlayerInterface.h>
18
19#include <media/stagefright/foundation/ABase.h>
20
21namespace android {
22
23struct ALooper;
24struct NuPlayer;
25
26struct NuPlayerDriver : public MediaPlayerInterface {
27    NuPlayerDriver();
28
29    virtual status_t initCheck();
30
31    virtual status_t setUID(uid_t uid);
32
33    virtual status_t setDataSource(
34            const char *url, const KeyedVector<String8, String8> *headers);
35
36    virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
37
38    virtual status_t setDataSource(const sp<IStreamSource> &source);
39
40    virtual status_t setVideoSurfaceTexture(
41            const sp<IGraphicBufferProducer> &bufferProducer);
42    virtual status_t prepare();
43    virtual status_t prepareAsync();
44    virtual status_t start();
45    virtual status_t stop();
46    virtual status_t pause();
47    virtual bool isPlaying();
48    virtual status_t seekTo(int msec);
49    virtual status_t getCurrentPosition(int *msec);
50    virtual status_t getDuration(int *msec);
51    virtual status_t reset();
52    virtual status_t setLooping(int loop);
53    virtual player_type playerType();
54    virtual status_t invoke(const Parcel &request, Parcel *reply);
55    virtual void setAudioSink(const sp<AudioSink> &audioSink);
56    virtual status_t setParameter(int key, const Parcel &request);
57    virtual status_t getParameter(int key, Parcel *reply);
58
59    virtual status_t getMetadata(
60            const media::Metadata::Filter& ids, Parcel *records);
61
62    virtual status_t dump(int fd, const Vector<String16> &args) const;
63
64    void notifyResetComplete();
65    void notifySetSurfaceComplete();
66    void notifyDuration(int64_t durationUs);
67    void notifyPosition(int64_t positionUs);
68    void notifySeekComplete();
69    void notifyFrameStats(int64_t numFramesTotal, int64_t numFramesDropped);
70    void notifyListener(int msg, int ext1 = 0, int ext2 = 0);
71
72protected:
73    virtual ~NuPlayerDriver();
74
75private:
76    mutable Mutex mLock;
77    Condition mCondition;
78
79    // The following are protected through "mLock"
80    // >>>
81    bool mResetInProgress;
82    bool mSetSurfaceInProgress;
83    int64_t mDurationUs;
84    int64_t mPositionUs;
85    int64_t mNumFramesTotal;
86    int64_t mNumFramesDropped;
87    // <<<
88
89    sp<ALooper> mLooper;
90    sp<NuPlayer> mPlayer;
91
92    enum State {
93        UNINITIALIZED,
94        STOPPED,
95        PLAYING,
96        PAUSED
97    };
98
99    State mState;
100    bool mAtEOS;
101
102    int64_t mStartupSeekTimeUs;
103
104    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
105};
106
107}  // namespace android
108
109
110